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Summary of Contents for Digi-Sense 20250-30
- Page 1 User Manual Thermohygrometer Indicator with NIST-Traceable Calibration Model 20250-30 THE STANDARD IN PRECISION MEASUREMENT...
- Page 2 Introduction The Digi-Sense Thermohygrometer Indicator (Model 20250-30) is designed for indoor applications, and displays temperature, humidity, and time. Advanced features include °C/°F unit selection, Max/Min reading for temperature and humidity, environmental comfort indicators, and clock with alarm and date. The instrument is fully tested and calibrated to NIST-traceable standards.
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Page 3: Key Features
Key Features • User-selectable °C or °F units • Built-in sensor for indoor temperature and humidity measurement • Max/Min temperature and humidity displays • Environmental symbols displayed: COMFORT (comfortable), WET (high humidity), DRY (low humidity) • Clock with alarm and date Meter Description 1. - Page 4 Setup and Operation Button Functions 1. MODE switches from clock to alarm function 2. ADJ sets clock, alarm, and date 3. MEMO displays Max/Min temperature and humidity readings 4. °C/°F changes temperature display unit of measure 5. RESET clears all settings and memory data Display 1.
- Page 5 Environmental Comfort Display Symbols 1. Temperature at 68 to 78.8°F (20 to 26°C) and relative humidity between 50% and 70% RH will show COMFORT symbol. 2. Any temperature and relative humidity above 70% RH WET symbol for high humidity. shows the 3.
- Page 6 Setup and Operation (continued) Setting Alarm 1. Press MODE button to make sure you are in the alarm mode and not the time mode. Once in alarm mode, press and hold the MODE button for three seconds to activate. 2. The minutes will start to blink; use the ADJ button to change to desired setting (see Fig.
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Page 7: Specifications
Specifications Range Humidity 10 to 90% RH Temperature 32 to 120°F (0 to 50°C) Resolution Humidity Temperature 0.1°F/C Accuracy Humidity ±5% (40% RH ~ 80% RH), ±8% remaining range Temperature ±1.8°F (1°C) 32 to 120°F (0 to 50°C) Display Auto power-off Unit shuts off automatically after six minutes to preserve battery life Weight... - Page 8 Maintenance, Recalibration, and Repair (cont.) It is recommended that Digi-Sense products are calibrated annually to ensure proper function and accurate measure- ments; however, your quality system or regulatory body may require more frequent calibrations. To schedule your recalibration, please contact InnoCal, an ISO 17025 calibration laboratory accredited by A2LA.
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